public opCodeBinary(tokenizer tokenizer, opCode param1, eTokenType tt, opCode param2)
{
mParam1 = param1;
mParam2 = param2;
mParam1.ValueChanged += mParam1_ValueChanged;
mParam2.ValueChanged += mParam2_ValueChanged;
EvalType v1Type = mParam1.EvalType;
EvalType v2Type = mParam2.EvalType;
switch (tt)
{
case eTokenType.operator_plus:
{
if (v1Type == EvalType.Number & v2Type == EvalType.Number)
{
mValueDelegate = NUM_PLUS_NUM;
mEvalType = EvalType.Number;
}
else if (v1Type == EvalType.Number & v2Type == EvalType.Date)
{
SwapParams(ref mParam1, ref mParam2);
mValueDelegate = DATE_PLUS_NUM;
mEvalType = EvalType.Date;
}
else if (v1Type == EvalType.Date & v2Type == EvalType.Number)
{
mValueDelegate = DATE_PLUS_NUM;
mEvalType = EvalType.Date;
}
else if (mParam1.CanReturn(EvalType.String) & mParam2.CanReturn(EvalType.String))
{
Convert(tokenizer, ref param1, EvalType.String);
mValueDelegate = STR_CONCAT_STR;
mEvalType = EvalType.String;
}
break;
}
case eTokenType.operator_minus:
{
if (v1Type == EvalType.Number & v2Type == EvalType.Number)
{
mValueDelegate = NUM_MINUS_NUM;
mEvalType = EvalType.Number;
}
else if (v1Type == EvalType.Date & v2Type == EvalType.Number)
{
mValueDelegate = DATE_MINUS_NUM;
mEvalType = EvalType.Date;
}
else if (v1Type == EvalType.Date & v2Type == EvalType.Date)
{
mValueDelegate = DATE_MINUS_DATE;
mEvalType = EvalType.Number;
}
break;
}
case eTokenType.operator_mul:
{
if (v1Type == EvalType.Number & v2Type == EvalType.Number)
{
mValueDelegate = NUM_MUL_NUM;
mEvalType = EvalType.Number;
}
break;
}
case eTokenType.operator_div:
{
if (v1Type == EvalType.Number & v2Type == EvalType.Number)
{
mValueDelegate = NUM_DIV_NUM;
mEvalType = EvalType.Number;
}
break;
}
case eTokenType.operator_percent:
{
if (v1Type == EvalType.Number & v2Type == EvalType.Number)
{
mValueDelegate = NUM_PERCENT_NUM;
mEvalType = EvalType.Number;
}
break;
}
case eTokenType.operator_and:
case eTokenType.operator_or:
{
Convert(tokenizer, ref mParam1, EvalType.Boolean);
Convert(tokenizer, ref mParam2, EvalType.Boolean);
switch (tt)
{
case eTokenType.operator_or:
{
mValueDelegate = BOOL_OR_BOOL;
mEvalType = EvalType.Boolean;
break;
}
case eTokenType.operator_and:
{
mValueDelegate = BOOL_AND_BOOL;
mEvalType = EvalType.Boolean;
break;
}
}
break;
}
}
if (mValueDelegate == null)
{
tokenizer.RaiseError("Cannot apply the operator " + tt.ToString().Replace("operator_", "") + " on " + v1Type.ToString() + " and " + v2Type.ToString());
}
}
public bool Equals(EvalType right)
{
return Value == right.ToString();
}